PTK Removes superficial irregular tissue within the cornea working with an excimer laser. It is usually employed for corneal scars, surface area irregularities or recurrent erosions. Certainly, LASIK can accurate myopia by flattening the cornea so distant objects surface clearer. It is additionally useful for hyperopia and astigmatism. This is https://bigboxdirectory.com/listings999270/lasik-specialist-an-overview